| Singles | |
|---|---|
| 2001 Gerry Weber Open | |
| Champion |  Thomas Johansson |
| Runner-up |  Fabrice Santoro |
| Score | 6–3, 6–7(5–7), 6–2 |
| Draw | 32 |
| Seeds | 8 |
David Prinosil was the defending champion but lost in the second round to Roger Federer.
Thomas Johansson won in the final 6–3, 6–7(5–7), 6–2 against Fabrice Santoro.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
Yevgeny Kafelnikov (semifinals)
Patrick Rafter (semifinals) Sébastien Grosjean (second round) Arnaud Clément (first round)
Àlex Corretja (first round)
Roger Federer (quarterfinals) Thomas Johansson (champion)
Tommy Haas (second round)| Semifinals | Final | ||||||||||||
| 1 | Yevgeny Kafelnikov | 3 | 6 | 2 | |||||||||
| 7 | Thomas Johansson | 6 | 5 | 6 | |||||||||
| 7 | Thomas Johansson | 6 | 65 | 6 | |||||||||
| Fabrice Santoro | 3 | 77 | 2 | ||||||||||
| Fabrice Santoro | 7 | 6 | |||||||||||
| 2 | Patrick Rafter | 5 | 4 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | Y Kafelnikov | 6 | 4 | 6 | |||||||||||||||||||||||
| Q |  T Ketola | 3 | 6 | 2 | 1 | Y Kafelnikov | 6 | 6 | |||||||||||||||||||
| R Schüttler | 6 | 6 | R Schüttler | 4 | 4 | ||||||||||||||||||||||
 N Lapentti | 4 | 4 | 1 | Y Kafelnikov | 62 | 77 | 77 | ||||||||||||||||||||
| N Escudé | 6 | 6 | N Escudé | 77 | 63 | 64 | |||||||||||||||||||||
| Q |  D Nestor | 1 | 2 | N Escudé | 6 | 6 | |||||||||||||||||||||
 M Mirnyi | 4 | 4 | 8 | T Haas | 3 | 4 | |||||||||||||||||||||
| 8 | T Haas | 6 | 6 | 1 | Y Kafelnikov | 3 | 7 | 2 | |||||||||||||||||||
| 4 | A Clément | 3 | 4 | 7 | T Johansson | 6 | 5 | 6 | |||||||||||||||||||
| N Kiefer | 6 | 6 | N Kiefer | 63 | 77 | 61 | |||||||||||||||||||||
 S Schalken | 1 | 4 | J Björkman | 77 | 64 | 77 | |||||||||||||||||||||
| J Björkman | 6 | 6 | J Björkman | 4 | 2 | ||||||||||||||||||||||
| Á Calatrava | 65 | 4 | 7 | T Johansson | 6 | 6 | |||||||||||||||||||||
| M Larsson | 77 | 6 | M Larsson | 5 | 5 | ||||||||||||||||||||||
 M Chang | 2 | 5 | 7 | T Johansson | 7 | 7 | |||||||||||||||||||||
| 7 | T Johansson | 6 | 7 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | À Corretja | 0 | 2 | ||||||||||||||||||||||||
| J Golmard | 6 | 6 | J Golmard | 6 | 4 | 5 | |||||||||||||||||||||
| Q | C Saulnier | 62 | 2 | WC | L Burgsmüller | 4 | 6 | 7 | |||||||||||||||||||
| WC | L Burgsmüller | 77 | 6 | WC | L Burgsmüller | 63 | 4 | ||||||||||||||||||||
| WC | A Popp | 2 | 3 | F Santoro | 77 | 6 | |||||||||||||||||||||
| F Santoro | 6 | 6 | F Santoro | 7 | 7 | ||||||||||||||||||||||
| Q |  W Black | 7 | 3 | 1 | 3 | S Grosjean | 5 | 5 | |||||||||||||||||||
| 3 | S Grosjean | 5 | 6 | 6 | F Santoro | 7 | 6 | ||||||||||||||||||||
| 6 | R Federer | 64 | 6 | 6 | 2 | P Rafter | 5 | 4 | |||||||||||||||||||
| A Portas | 77 | 4 | 2 | 6 | R Federer | 710 | 7 | ||||||||||||||||||||
| D Prinosil | 77 | 77 | D Prinosil | 68 | 5 | ||||||||||||||||||||||
| WC | C Moyá | 65 | 64 | 6 | R Federer | 6 | 66 | 64 | |||||||||||||||||||
 A Pavel | 6 | 6 | 2 | P Rafter | 4 | 78 | 77 | ||||||||||||||||||||
 B Ulihrach | 1 | 3 | A Pavel | 3 | 3 | ||||||||||||||||||||||
| D Vacek | 3 | 4 | 2 | P Rafter | 6 | 6 | |||||||||||||||||||||
| 2 | P Rafter | 6 | 6 | ||||||||||||||||||||||||
Defending champion Roger Federer defeated Andre Agassi in the final, 6–3, 2–6, 7–6(7–1), 6–1 to win the men's singles tennis title at the 2005 US Open. It was his second US Open title and sixth major title overall. This was Agassi's last appearance in a major final.
Defending champion Rafael Nadal defeated Roger Federer in the final, 6–7(0–7), 7–6(7–5), 6–4, 2–6, 7–6(7–5) to win the men's singles tennis title at the 2006 Italian Open.
Guillermo Cañas defeated Andy Roddick in the final, 6–4, 7–5 to win the men's singles tennis title at the 2002 Canada Masters.
Marc Rosset was the defending champion at the Milan Indoor tennis tournament but was forced to retire in his second round match against Greg Rusedski.
Nicolas Escudé was the defending champion and won in the final 3–6, 7–6(9–7), 6–4 against Tim Henman.
Albert Portas defeated Juan Carlos Ferrero in the final, 4–6, 6–2, 0–6, 7–6(7–5), 7–5 to win the singles tennis title at the 2001 Hamburg European Open.
Sébastien Grosjean defeated Yevgeny Kafelnikov in the final, 7–6(7–3), 6–1, 6–7(5–7), 6–4 to win the singles tennis title at the 2001 Paris Masters.
Juan Carlos Ferrero defeated Carlos Moyá in the final, 7–5, 6–3, 6–4 to win the singles tennis title at the 2002 Monte Carlo Masters.
Marat Safin defeated Lleyton Hewitt in the final, 7–6(7–4), 6–0, 6–4 to win the singles tennis title at the 2002 Paris Masters. It was his second Paris Masters title.
Defending champion Roger Federer defeated Richard Gasquet in the final, 6–3, 7–5, 7–6(7–4) to win the singles tennis title at the 2005 Hamburg European Open. He did not lose a single set in the entire tournament.
Tommy Robredo defeated Radek Štěpánek in the final, 6–1, 6–3, 6–3 to win the singles tennis title at the 2006 Hamburg Masters.
Àlex Corretja was the defending champion but lost in the semifinals to Jiří Novák.
Thomas Enqvist was the defending champion but did not compete that year. Tim Henman won in the final 6–3, 6–4, 6–2 against Roger Federer.
Lleyton Hewitt was the defending champion but did not compete that year.
Juan Carlos Ferrero was the defending champion but lost in the second round to Younes El Aynaoui.
Thomas Johansson was the defending champion but lost in the quarterfinals to Kenneth Carlsen.
Roger Federer and Marat Safin were the defending champions but only Federer competed that year with Michel Kratochvil.
Yevgeny Kafelnikov was the defending champion but lost in the first round to Karol Kučera.
Magnus Gustafsson was the defending champion, but did not participate.
The 1998 Grand Prix de Tennis de Toulouse was a men's tennis tournament played on indoor hard in Toulouse, France that was part of the International Series of the 1998 ATP Tour. It was the seventeenth edition of the tournament and was held from 28 September – 4 October.